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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> On-Vehicle Repair Instructions >> Transmission Extension Housing Assembly Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Transmission Case Extension
    GM747478Courtesy of GENERAL MOTORS CORP.
  1. Install a new case extension O-ring seal (2).
  2. Install the case extension (1).
    NOTE: Refer to Fastener Notice .
  3. Install the case extension bolts (3).

    Tighten:  Tighten the case extension bolts (3) to 34 N.m (25 lb ft).

  4. Install the transmission support and the transmission mount. Refer to Transmission Mount Replacement .
  5. Install the propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement .
  6. Remove the drain pan and the transmission jack.
  7. Lower the vehicle.
  8. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to Transmission Fluid Check .
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